Publications by authors named "Xian Ting Zeng"

Article Synopsis
  • Sexually dimorphic behaviors, which differ between sexes, are common in animals, and this study focuses on the role of specific neurons related to these behaviors in the model organism C. elegans.
  • Researchers found that male C. elegans have a higher frequency of synaptic transmission and more synaptic vesicles at neuromuscular junctions compared to hermaphrodites, which affects their locomotion.
  • The protein UNC-43/CaMKII was identified as key in regulating synaptic transmission and vesicle abundance, and even transforming hermaphrodite neurons to male-like neurons produced similar male locomotion behaviors.
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Age-associated neurodegenerative disorders such as Parkinson's and Alzheimer's diseases are mainly caused by protein aggregation. The etiologies of these neurodegenerative diseases share a chemical environment. However, how chemical cues modulate neurodegeneration remains unclear.

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Disturbed inhibitory synaptic transmission has functional impacts on neurodevelopmental and psychiatric disorders. An essential mechanism for modulating inhibitory synaptic transmission is alteration of the postsynaptic abundance of GABARs, which are stabilized by postsynaptic scaffold proteins and recruited by presynaptic signals. However, how GABAergic neurons trigger signals to transsynaptically recruit GABARs remains elusive.

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Cilia are conserved organelles found in many cell types in eukaryotes, and their dysfunction causes defects in environmental sensing and signaling transduction; such defects are termed ciliopathies. Distinct cilia have cell-specific morphologies and exert distinct functions. However, the underlying mechanisms of cell-specific ciliogenesis and regulation are unclear.

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Article Synopsis
  • Changes in neurotransmitter receptors at post-synaptic sites are crucial for regulating synaptic strength, prompting research into the proteins that help position these receptors.
  • This study focuses on the role of two scaffolding proteins, LIN-2/CASK and FRM-3/FARP, in the cholinergic neuromuscular junctions of C. elegans.
  • Knocking out or disabling these proteins greatly reduces both spontaneous and triggered postsynaptic currents by lowering the levels of specific acetylcholine receptors, indicating that LIN-2 and FRM-3 are essential for effective cholinergic signaling.
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The development of functional synapses in the nervous system is important for animal physiology and behaviors, and its disturbance has been linked with many neurodevelopmental disorders. The synaptic transmission efficacy can be modulated by the environment to accommodate external changes, which is crucial for animal reproduction and survival. However, the underlying plasticity of synaptic transmission remains poorly understood.

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Vanadium dioxide (VO2) is a well-known thermochromic material with large IR modulating ability, promising for energy-saving smart windows. The main drawbacks of VO2 are its high phase transition temperature (τ(c) = 68°C), low luminous transmission (T(lum)), and weak solar modulating ability (ΔT(sol)). In this paper, the terbium cation (Tb(3+)) doping was first reported to reduce τ(c) and increase T(lum) of VO2 thin films.

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Investigation of DNA-protein interactions is fundamental to understand the mechanism underlying a variety of life processes. In this article, various types of biochemical methods in DNA-protein interaction study in vivo and in vitro at the level of DNA, protein, and the complex, respectively were briefly reviewed. Traditional assays including Nitrocellulose filter-binding assay, Footprinting, EMSA, and Southwestern blotting were summarized.

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A modified aqueous sol-gel route was developed using ultrasonic power for the silica coating of indium tin oxide (ITO) nanoparticles. In this approach, organosilane with an amino functional group was first used to cover the surface of as-received nanoparticles. Subsequent silica coating was initiated and sustained under power ultrasound irradiation in an aqueous mixture of surface-treated particles and epoxy silane.

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